Take some time out and go on a shopping spree at Road Station - Ryusei Hall, a well-loved local retailer.
You'll need to find your way to Chichibu to visit this retail outlet. If you're hoping to do some sightseeing after you're done, why not head to Seibuchichibu Ekimae Onsen Matsurinoyu Hot Spring? It's close to Road Station - Ryusei Hall.